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On the kinematic separation of field and cluster stars across the bulge globular NGC 6528

Lagioia, E P; Milone, Antonino; Stetson, Peter B; Bono, G; Prada Moroni, P.G.; Dall'Ora, Massimo; Aparicio, A; Buonanno, R; Calamida, A; Ferraro, I.


We present deep and precise multi-band photometry of the Galactic bulge globular cluster NGC 6528. The current data set includes optical and near-infrared images collected with ACS/WFC, WFC3/UVIS, and WFC3/IR on board the Hubble Space Telescope. The images cover a time interval of almost 10 yr, and we have been able to carry out a proper-motion separation between cluster and field stars. We performed a detailed comparison in the m F814W, m F606W-m F814W color-magnitude diagram with two...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/782/1/50


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